- Joined
- Jul 26, 2011
- Messages
- 4,142
Like anything else,getting a chuck to not unscrew requires experience,skill and discretion. I do not advocate doing it if you are a beginner.
At the least,you can put a big whack into your lathe bed,or mark up the chuck,even if you do not get injured yourself. Even with a smallish,6" chuck,you can get a finger joint RUINED,or a finger broken,if the chuck suddenly unscrews and drops onto the lathe.
Some drill and thread a hole into the neck of the back plate that holds the chuck onto the threaded lathe nose. A piece of brass should be inserted into the hole before screwing a set screw into it,to prevent damaging the threads on your lathe.
There are other,more elaborate ways of safeguarding the chuck from unscrewing,but this is a simple way that anyone can do. I would not screw the set screw really tightly into the hole,as it might force the chuck sideways a thou or 2. Once again,discretion.
Perhaps I should not even try instructing people in what I might be able to do with experience since 1959. It becomes a case of "Don't do as I do,do as I SAY do"!
At the least,you can put a big whack into your lathe bed,or mark up the chuck,even if you do not get injured yourself. Even with a smallish,6" chuck,you can get a finger joint RUINED,or a finger broken,if the chuck suddenly unscrews and drops onto the lathe.
Some drill and thread a hole into the neck of the back plate that holds the chuck onto the threaded lathe nose. A piece of brass should be inserted into the hole before screwing a set screw into it,to prevent damaging the threads on your lathe.
There are other,more elaborate ways of safeguarding the chuck from unscrewing,but this is a simple way that anyone can do. I would not screw the set screw really tightly into the hole,as it might force the chuck sideways a thou or 2. Once again,discretion.
Perhaps I should not even try instructing people in what I might be able to do with experience since 1959. It becomes a case of "Don't do as I do,do as I SAY do"!